Many people believe we will face environmental disasters ________

Many people believe we will face environmental disasters _________ we completely change the way we live.

#57124

but

though

unless

until

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 She’s got a cup of tea ,        she          any bread .

#56893

but ,have

and have

but has got

but hasn’t got

There is going to ________a sports meeting next week. If it ________, we’ll have to cancel it.

#55308

be; will rain

have; will rain

be; rains

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 — What’s your new math teacher like?— Oh, he is very kind, ________ he looks serious.

#56022

though

because

and

_______ they are twin brothers, they don’t look like each other.

#58497

Though

Since

However

When

Don’t run in the classroom,       you may hurt yourself.

#55327

and

but

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